Motorola 6864115B62-C Detailed Service Manual page 245

VHF 25-45W PCB 8486140B15 / Schematics
9V3_VHF_IF_1
9V3 G
9V3_VHF_IF_2
R3104
100
NU
5V_VHF_IF_1
R3105
5V G
100
R3108
620
5V R3106
27K
C3104
R3107
6.8K
3VDC
0.1uF
FL3101
IFIN_VHF_IF_1 12R16
C3100 C3103
3 6
Q3101
IF IN OUT
G
L3100 0.75VDC
1000pF L3101 33pF
620nH
620nH
NU
R3102
C3101
C3102 R3101
10
2.2pF 12K
15pF
NU
9V3
9V3
R3114
100
NU
3.9VDC
R3115
5V
390
C3111 R3116 C3121
0.1uF 330
0.1uF
R3117
27K
C3110 C3116 C3122
R3118
6.8K
27pF 0.1uF .039uF
C3112
FL3102
82pF
C3123
12R16 Q3102
3VDC .039uF
C3115
3 6
IN OUT
D3101
22pF 0.75VDC R3113
330
C3113
C3114
L3112 R3111 R3112
9.1pF
620nH 18pF 10
L3111 12K
NU
620nH
R3124 Y3101
*
* 45J84
44.395MHz
R3123
* 3 1
OUT IN
C3124
*
L3124
*
fundamental xtal 3rd overtone xtal
*
Y3101 4880606B09 4802245J84
R3123 0662057B47 0 NOTPLACED
R3124 NOTPLACED 0662057A49 1K
C3124 NOTPLACED 2113740L30 33pF
L3124 NOTPLACED 2462587N68 1uH
C3136 2113740L29 30pF 2113740F35 22pF
1
9V3
U3111-1
U3111-4 U3115-1
14 FL3111
14 14
9180469V03 CFWC455G
VDD VDD VDD
2 1 1 IN OUT 2 11 10 2 1 1 IN
VSS VSS VSS
CNTL CNTL CNTL
7 7
7
MC74HC4066
MC74HC4066
MC74HC4066
9V3
U3111-3 U3115-2
U3111-2
FL3112
14 14 14
9180469V06
CFWC455D
VDD VDD VDD
3 4 1 IN OUT 2 8 9 3 4 1 IN
VSS VSS VSS
CNTL CNTL CNTL
7 7 7
MC74HC4066 MC74HC4066
R3145
3.3K
R3144 C3148
220pF
2.4K
NU
C3137
.039uF Y3102
455KHz
5V
R3135 1
C3142 1.2K
0.1uF
45B02
2
R3130
6 15
U3101
VCC GND
51 SA616
C3134
0.1uF
C3144
C3132 C3133
0.1uF
0.1uF 10uF
C3141
C3135
0.1uF
33pF
C3131
C3136 R3132
1pF
* 15K
NU
C3139
0.1uF
R3134
C3140
0.1uF
10K
R3133
8.2K
R3146
680
FL3115
CFWC455F
9180469V04
NU
IN OUT 2
9V3
U3115-4
FL3113
14
9180468v04
CFUCJ455F
9V3
VDD
OUT 2 11 10
VSS
CNTL
R3153
7
10K
MC74HC4066
3
Q3151
R3151
BWSELECT_VHF_IF_1
10K BWSELECT
G
U3115-3
12.5kHz 0VDC
FL3114 14
C3151 20/25kHz 5VDC
9180468V06 CFUCJ455D .01uF
VDD
OUT 2 8 9
9V3
VSS
CNTL
7
R3154
MC74HC4066
10K
Q3152
R3152
10K
C3152
C3145
.01uF
0.1uF
3
5V
R3141 C3143
390 120pF
Q3141
R3142
1.8K
C3146 C3147
4700pF 0.1uF
DISCAUDIO_VHF_IF_1
DISCAUDIO
G
R3147
RSSI
G
12K
RSSI_VHF_IF_1
ZWG0131060-O
4-59
ZWG0131060-O
VHF (136-174 MHz) IF